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PIN
Signal Name
IN/OUT Connected to
No.
165 mdat00
166 mdat01
167 mdat02
168 mdat03
169 VCC_core
Power
170 mdat04
171 mdat05
172 mdat06
173 GND_core
Power
174 mdat07
175 mdat08
176 mdat09
177 VCC_AC
Power
178 mdat10
179 mdat11
180 mdat12
181 VCC_core
Power
182 mdat13
183 mdat14
184 mdat15
185 GND_AC
Power
186 pcl_s_print
187 fax_s_print
188 es_s_print
189 out_ack
190 out_cs
191 in_req
192 VCC_core
Power
193 TCK
JTAG
194 TMS
JTAG
195 TRSTA
JTAG
196 TDI
JTAG
197 TDO
JTAG
198 GND_core
Power
199 afp_vsmp
OUT
CCD PWB
200 ccd_tg
OUT
CCD PWB
201 ccdrs
OUT
CCD PWB
202 afp_bsmp
OUT
CCD PWB
203 ccdcp
OUT
CCD PWB
204 afe_sdata
IN
CCD PWB
205 ccd_ph2
OUT
CCD PWB
206 ccd_ph1
OUT
CCD PWB
207 afp_afesen
OUT
CCD PWB
208 GND_core
Power
209 afp_adcclk
OUT
CCD PWB
210 VCC_core
Power
211 afp_afesck
OUT
CCD PWB
212 GND_AC
Power
213 afp_data7
IN
CCD PWB
214 afp_data6
IN
CCD PWB
215 afp_data5
IN
CCD PWB
216 afp_data4
IN
CCD PWB
217 afp_data3
IN
CCD PWB
218 afp_data2
IN
CCD PWB
219 afp_data1
IN
CCD PWB
220 afp_data0
IN
CCD PWB
221 VCC_AC
Power
222 cl
OUT
Logic IC
223 GND_core
Power
224 mtr_y3
OUT
I/O
225 mtr_y2
OUT
Tr array IC
Description
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
AFE control signal
CCD control signal
CCD control signal
AFE control signal
CCD control signal
AD's serial data
CCD control signal
CCD control signal
AFE control signal
AFE control signal
AFE control signal
Image scan data
Image scan data
Image scan data
Image scan data
Image scan data
Image scan data
Image scan data
Image scan data
Copy lamp control
signal
Carriage motor
current control signal
Carriage motor
current control signal
AR-M150/M155/M155X ELECTRICAL SECTION 13 - 6
PIN
Signal Name
IN/OUT Connected to
No.
226 mtr_y1
OUT
Tr array IC
227 VCC_core
Power
228 mtr_phase2
OUT
Motor driver
229 mtr_i02
OUT
Motor driver
230 mtr_i12
OUT
Motor driver
231 mtr_i22
OUT
Motor driver
232 mtr_phase1
OUT
Motor driver
233 mtr_i01
OUT
Motor driver
234 mtr_i11
OUT
Motor driver
235 mtr_i21
OUT
Motor driver
236 GND_AC
Power
237 ram_mad3
OUT
SDRAM
238 ram_mad2
OUT
SDRAM
239 GND_core
Power
240 ram_mad1
OUT
SDRAM
241 ram_mad0
OUT
SDRAM
242 ram_mad10
OUT
SDRAM
243 VCC_core
Power
244 ram_banks1
OUT
SDRAM
245 ram_banks0
OUT
SDRAM
246 xram_cs
OUT
247 xram_ras
OUT
SDRAM
248 xram_cas
OUT
SDRAM
249 VCC_AC
Power
250 xram_wde
OUT
SDRAM
251 ram_dqm0
OUT
SDRAM
252 GND_AC
Power
253 ram_data7
IN/OUT SDRAM
Description
Carriage motor
current control signal
Carriage motor
control signal
Carriage motor
control signal
Carriage motor
control signal
Carriage motor
control signal
Carriage motor
control signal
Carriage motor
control signal
Carriage motor
control signal
Carriage motor
control signal
SDRAM (Image
process page
memory) address bus
SDRAM (Image
process page
memory) address bus
SDRAM (Image
process page
memory) address bus
SDRAM (Image
process page
memory) address bus
SDRAM (Image
process page
memory) address bus
SDRAM (Image
process page
memory) BANK
signal
SDRAM (Image
process page
memory) BANK
signal
SDRAM (Image
process page
memory) CS signal
SDRAM (Image
process page
memory) RAS signal
SDRAM (Image
process page
memory) CAS signal
SDRAM (Image
process page
memory) WDE signal
SDRAM (Image
process page
memory) DQM signal
SDRAM (Image
process page
memory) data bus
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